RD Sharma Solutions Class 12 Mathematics Chapter 15 VSA
RD Sharma Solutions Class 12 Mathematics Chapter 15 VSA
Edited By Kuldeep Maurya | Updated on Jan 21, 2022 01:03 PM IST
Many students widely use the RD Sharma solution books to clarify their doubts without the help of a teacher or a tutor. Solving the Very Short Answers (VSA) in class 12 mathematics is trickier as the solutions must be small and solved using shortcut methods. However, students can save time and complete the sums effortlessly using this method. And to learn it, the RD Sharma Class 12th VSA book is the best choice.
Answer : Hint: Use the slope of the tangent. Given: Here the curve , where the tangent is parallel to axis. We have to find the point on the given curve. Solution : The slope at the axis is . Now, Let be the required point. Since the point lies on the curve. Hence ....(i) Then, Slope of the tangent at Here From equation (i) Hence required point is
Answer : Slope of tangent at Hint : Use equation of tangent, Given : Here, We have to find the slope of tangent to given curve at Solution : The equation of the given curve is Differentiating equation (i) with respect to We have, Now, slope of tangent at Hence, Slope of tangent at is .
Answer : Hint : The curve is parallel to axis then slope of tangent is equal to slope of the axis. Given : The tangent line at a point on the curve is parallel to axis. We have to find the value of . Solution : Here we have, Slope of axis is equal to zero. Also, the tangent line at a point on the curve is parallel to axis. Slope of tangent slope of axis
Answer : Hint : 1. The slope of y - axis is . 2. Using, Given: The normal of the curve at is parallel to y -axis. We have to write the value of Solution: We know that, The slope of y - axis is Also, The normal of the curve is parallel to y - axis. slope of normal = slope of y- axis Hence,
Answer : Hint: The curve is equally inclined to the axes, then the angle made by the tangent with axes can be . Given: Here given that, The tangent to a curve at a point is equally inclined to the co-ordinate axes. We have to write the value of . Solution : We know that, The tangent to a curve at a point is equally inclined to the co-ordinate axes, the angle made by the tangent with axes can be . Hence, or
Answer : Hint : Slope of the y-axis is . Given : Given that The tangent line at a point on the curvey is parallel to y-axis. We have to write the value of . Solution : We know that, The slope of the y-axis is . Also, the tangent line at a point on the curvey is parallel to y-axis. = slope of y-axis Hence,
Answer : Hint : Usingmula, Given : Here given the curve, We have to find the slope of normal. Solution : Here, Differentiating with respect to , we get So, Slope of tangent Hence,
Answer : Hint : Given : Here the given curve, where the tangent line makes an angle with x- axis. We have to find the co-ordinate of the point on the given curve. Solution: Let the required point be . We know, The tangent makes an angle with the x-axis. Since the point lies on the curve Hence, Now, Differentiating with respect to x, Now, we have, Hence,
Answer : Hint : Differentiating both equation and find Given : Given that the curve, We have to find the angle made by the tangent to the given curve. Solution : Here, Differentiating both equation with respect to We have, Now, slope of tangent Let be the angle made by the tangent with the x-axis. Hence, the angle made by the tangent to the given curve is .
Answer : Equation of normal Hint : Use equation of normal, Given : Here given that the curve We have to write the equation of normal to the given curve at Solution: We have, On differentiating both sides with respect to , we get Now we know that, Now, When So, equation of normal Hence the equation of the given curve at .
Answer : Hint : For line, the slope of a line is denoted by m. , where m is slope of line. Given : Given that the curve, Where the tangent parallel to the line, We have to find the co-ordinate of the point on the given curve. Solution : Let be the required point We know that, If Comparing with equation: We get, Slope of the given line Since, the point lies on the curve So ...(i) Now, Differentiate with respect to x Slope of tangent Here, slope of tangent=slope of the line From equation (i), we get Hence,
Answer : Equation of tangent, Hint: Use the equation of tangent, Given : Here the curve, at the point where it crosses the y-axis. We have to write the equation of the tangent. Solution : We know that, When the curve passes through y - axis, then the point on the curve is of them Now, Differentiating with respect to x,
Slope of tangent Equation of tangent, Hence the required equation of tangent, .
Answer : Angle = Hint : First, find the slope of given curves then use themula: Given : Given curve, We have to find the angle between the given curves. Solution : Given : ...(i) ...(ii) On differentiating equation (i) with respect to x, we get Now, differentiating equation (ii) with respect to x, we get As we know that, Hence the required angle between the curve is
Given : Given that the curve, We have to find the angle between the given curves at the point of intersection. Solution : Given, ....(i) .....(ii) From (i) and (ii), we get Substituting the value of x in equation (ii), we get So, the point of intersection of the two curves is On differentiating (i) with respect to x, we get Hence, they are perpendicular to each other. Hence, the required angle
Answer : Slope of normal = 9 Hint : Given : Given curve, We have to write the slope of normal to the given curve at point Solution : Here, On differentiating with respect to x, we get Now, Hence, the Slope of normal = 9
Hint : Given : Given curve, We have to write the slope of normal to the given curve at point Solution : Here, On differentiating with respect to x, we get Now, Hence, normal line is x=0.
Answer : is required equation of tangent Hint : Given : Given curve, We have to write the equation of tangent drawn to the given curve at point (0,0). Solution: Differentiating both sides with respect to x, we get Hence the equation of tangent at , Hence, is the required equation.
Answer : is required equation of tangent Hint : Given : Given curve, We have to write the equation of tangent drawn to the given curve at point (0,0). Solution: Differentiating both sides with respect to x, we get Hence the equation of tangent at , Hence, is the required equation.
Answer : Hint : Simply we will find at Given: Given curve, We have to find the slope of the tangent to the given curve at Solution : Differentiating both sides with respect to x, we get Hence the slope of tangent = 0
Chapter 15 in mathematics, Tangents, and Normals consists of three exercises, ex 15.1, ex 15.2, and ex 15.3. Class 12 RD Sharma Chapter 15 VSA Solution includes concepts like finding the point of the curve, finding the slope of the tangent, slope of normal at a point, equation of the normal, coordinates of the point, and angles between the curve. RD Sharma Class 12 Solutions Tangents and Normals VSA are around 19 questions given in this exercise. Students can use the RD Sharma Class 12 Chapter 15 VSA solution book for reference.
It is mainly recommended by the CBSE board schools to its students, as the RD Sharma solutions follow the NCERT syllabus. Students can work out the practice questions to understand the steps clearly. The RD Sharma Class 12th VSA book answers are given in simple, easy methods to solve the Very Short Answers quickly. It helps the student use minimal time to solve this section during examinations.
If you are wasting time working out VSA solutions in an elaborated manner, use the Class 12 RD Sharma Chapter 15 VSA to understand how easily sums can be solved. With good practice, you'll be able to solve the Very Short Answers of the Tangents and Normals chapter in a short period. This helps you save time that can be spent rechecking the answer sheet.
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There is a high chance the questions for the public exam will be asked from the RD Sharma Class 12th VSA practice questions. You can use this book to compete for your homework, do assignments and even prepare for your tests and exams. Practising with the RD Sharma Class 12 Solutions Chapter 15 VSA will increase your efficiency and speed in the concept. Eventually, you can witness yourself scoring good marks in the exams.
1.Which reference material can the students depend on to recheck their answers and clarify doubts in maths chapter 15 VSA?
The students can avail the benefits of the RD Sharma Class 12th VSA solution book by clarifying their doubts regarding the very short answers given in mathematics chapter 15.
2.Where can I learn the tricks and shortcut methods to solve the Chapter 15 VSA quickly?
The shortcut methods and tricks to solve the VSAs in chapter 15 are given in the RD Sharma Class 12th VSA solution book. With the help of it, you can solve the sums quickly.
3.Where can I find the RD Sharma solution books for free of cost?
The Career 360 website allows its visitors to access the RD Sharma book PDFs for free of cost without charging even a penny.
4.Should I visit the Career 360 website each time there is a doubt in solving the sums?
The Career360 website also provides the option to download the reference materials in the form of PDFs. Therefore, you can refer to the PDFs for further clarifications.
5.Are the RD Sharma solution materials accessible by everyone?
The Career 360 allows everyone to view the RD Sharma solution books for the welfare of the students.